Takaaki Shimizu

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Helical gear and method of manufacturing the same
- Patent number 8,910,381
- Issue date Dec 16, 2014
- Aisin AI Co., Ltd.
- Shinji Kitaoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
HELICAL GEAR AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090241711
- Publication date Oct 1, 2009
- AISIN AI CO., LTD.
- Shinji Kitaoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...